Respuesta :

yash2006parmar

Use distributive property: Meaning k multiplies with every number from the other ( ) and -4 multiplied with every number from the other ()

(k*5k)+(k*3)+(-4*5k)+(-4*2) = 5k^2+3k-20k-8 = 5k^2-17k-8

Answer: 5k^2-17k-8